David Hemingway
Results-driven Cloud Developer, Technical Lead, and Full-Stack Engineer with over 15 years of experience delivering scalable IoT platforms, high-performance cloud architectures, e-commerce solutions, and automotive platforms.
Scaling smart city IoT platform (Ki.) processing 3.3M+ daily payloads; reduced Aurora Serverless ACUs by 75% and archived 4TB data into S3.
Deep engineering experience with PHP (Laravel, CodeIgniter), Node.js, Vue.js, MySQL, InfluxDB, Apache Solr, Elasticsearch, and Cloudflare Workers.
Former Lead Developer & IT Director. Proven delivery in team management, AWS cloud migrations, PCI compliance, penetration testing, and CRO.
Technical Skills
- AI & Machine Learning
- AWS (Aurora, Lambda, S3, EC2)
- Cloudflare Workers & D1
- Kubernetes & Docker
- PHP (Laravel, CodeIgniter, Slim)
- Node.js
- Vue.js
- JavaScript (ES6+)
- MySQL
- InfluxDB
- Apache Solr
- Elasticsearch
- PHPUnit & Selenium
- Git, Bitbucket & CI/CD
- Linux (Ubuntu, CentOS, Fedora)
- HTML5 & CSS3
Career Experience
Developing digital compliance, anti-money laundering (AML), and identity verification platforms, delivering secure, high-availability software solutions for client onboarding and regulatory verification.
Developed and maintained the Ki. smart city IoT platform and AWS Kubernetes environment. Scaled the platform to process 3.3M+ daily payloads, introduced multi-tenant user account permissions, reduced AWS Aurora Serverless database ACUs from 256 to 64 for substantial cost savings and stability, and archived 4TB of data to S3.
Sole developer managing e-commerce platforms. Established full PCI compliance, resolved penetration testing vulnerabilities, architected migration roadmap moving legacy systems to managed DigitalOcean MySQL and PHP 7.2, and implemented Brexit VAT and shipping solutions.
Joined business management team and managed a development team of three engineers. Guided technical direction, executed full system migration to Amazon Web Services, introduced proactive site monitoring, and enhanced the platform for conversion rate optimization (CRO) experimentation.
Full-stack developer building automotive platforms, e-commerce applications (stoneacre.co.uk, caraccessoriesplus.co.uk), and internal web applications. Integrated third-party vehicle/finance APIs using Zend Framework, Elasticsearch, CodeIgniter, and Backbone.js.
Education & Credentials
Postgraduate-level (Master's equivalent) apprenticeship standard (Skills England ST0763-v1-0). Specializing in machine learning algorithms, deep learning models, data pipeline architectures, and practical enterprise AI solution delivery.
Modules included Software Development, MSc Professional Project, Data Management, Project Management, and Strategic Capabilities for Technological Innovation.
Bachelor of Science (Honours) Open (Upper Second, 2:1) • Bachelor of Arts (Honours) in Business Studies (Upper Second, 2:1) • Postgraduate Certificate in Technology Management • Professional Certificate in Management • Certificate in Web Applications Development.
Demonstrated foundational understanding of AWS Cloud concepts, services, security, architecture, and cost management.